Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4927860 | Polyamide powder formed by particles having a gypsum rose structure and process for preparing such powder | Roland Guerin | 1990-05-22 |
| 4831061 | Polyamide powder formed by particles having a gypsum rose structure and process for preparing such powder | Roland Guerin | 1989-05-16 |
| 4694063 | Anhydrous process for the manufacture of polyamide powder from lactam in the presence of N,N'-alkylene bis amide | Roland Guerin | 1987-09-15 |